//snippet-sourcedescription:[ListDeliveryStreams.java demonstrates how to list all delivery streams.]
//snippet-keyword:[AWS SDK for Java v2]
//snippet-keyword:[Code Sample]
//snippet-service:[Amazon Kinesis Data Firehose]
//snippet-sourcetype:[full-example]
//snippet-sourcedate:[09/28/2021]
//snippet-sourceauthor:[scmacdon - aws]

/*
   Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
   SPDX-License-Identifier: Apache-2.0
*/

package com.example.firehose;

// snippet-start:[firehose.java2.list_streams.import]
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.firehose.FirehoseClient;
import software.amazon.awssdk.services.firehose.model.FirehoseException;
import software.amazon.awssdk.services.firehose.model.ListDeliveryStreamsResponse;
import java.util.List;
// snippet-end:[firehose.java2.list_streams.import]

/**
 * To run this Java V2 code example, ensure that you have setup your development environment, including your credentials.
 *
 * For information, see this documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 */
public class ListDeliveryStreams {

    public static void main(String[] args) throws Exception {

        Region region = Region.US_EAST_1;
        FirehoseClient firehoseClient = FirehoseClient.builder()
                .region(region)
                .build();

        listStreams(firehoseClient) ;
        firehoseClient.close();
    }

    // snippet-start:[firehose.java2.list_streams.main]
    public static void listStreams( FirehoseClient firehoseClient) {

        try {

            ListDeliveryStreamsResponse streamsResponse = firehoseClient.listDeliveryStreams();

            List<String> items = streamsResponse.deliveryStreamNames();
            for (String item: items) {
                System.out.println("The delivery stream name is: "+item);
            }

        } catch (FirehoseException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }
    // snippet-end:[firehose.java2.list_streams.main]
}
